haikuwebkit/LayoutTests/webanimations/scheduling-of-animation-wit...

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HTML

<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<div></div>
<script>
async_test(async t => {
const animation = document.querySelector("div").animate({
marginLeft: ["0", "250px", "500px", "750px", "1000px"],
easing: ["linear", "linear", "steps(10)", "linear"]
}, 1000);
await animation.ready;
animation.currentTime = 535;
assert_equals(internals.timeToNextAnimationTick(animation), 15);
t.done();
}, "Computing the time until the next tick for a keyframe with a steps() timing function.");
</script>